I talk about a possible way to use in media res to get the PCs immersed in the world and the action.

I talk about GMs using dice to help enhance your descriptions.

I talk about how the GM can make his own sound effects for his games.

I talk about things to think about and plan for convention downtime activities.

I talk about voices and regional accents you can use to add variety to your campaign.

I talk about hit points, hit locations and attempting called shots.

I talk about using bait to attract (and ward off) various beasts.

I talk about how you have to stop fussing with it and get that adventure to the table.

I talk about group vs. individual initiative.

I talk about the fine art of player-GM negotiation.